/*
 * Copyright 2021 ByteDance Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package  plato

import (
	"runtime"
)

var (
	calManager *CalculateManager
)

func init() {
	//init background calculate goroutine
	workerCount := runtime.NumCPU() - 1
	if workerCount <= 0 {
		workerCount = 1
	}
	var e error
	calManager, e = NewCalculateManager(workerCount, 1000)
	if e != nil {
		panic(e)
	}
	calManager.Start()
}

//Init will put metrics of input PlatoEntries into background calculating goroutine
func Init(es []*PlatoEntry) {
	var metrics []*Metric
	for _, e := range es {
		for _, m := range e.Metrics {
			metrics = append(metrics, m)
		}
	}
	calManager.AddMetrics(metrics...)
}
